JP5919029B2 - Ｌｔｅダウンリンク実装におけるレイテンシを低減する方法 - Google Patents

Ｌｔｅダウンリンク実装におけるレイテンシを低減する方法 Download PDF

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Publication number
JP5919029B2
JP5919029B2 JP2012036271A JP2012036271A JP5919029B2 JP 5919029 B2 JP5919029 B2 JP 5919029B2 JP 2012036271 A JP2012036271 A JP 2012036271A JP 2012036271 A JP2012036271 A JP 2012036271A JP 5919029 B2 JP5919029 B2 JP 5919029B2
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Japan
Prior art keywords
ofdm
complex
generating
mapping
time domain
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Japanese (ja)
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JP2012227912A (ja
JP2012227912A5 (enExample
Inventor
イド・ガジット
シャイ・カルフォン
シャロン・ローゼンシャイン
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LSI Corp
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LSI Logic Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • H04L27/263—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators modification of IFFT/IDFT modulator for performance improvement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2012036271A 2011-04-14 2012-02-22 Ｌｔｅダウンリンク実装におけるレイテンシを低減する方法 Active JP5919029B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/086,737 2011-04-14
US13/086,737 US8724722B2 (en) 2011-04-14 2011-04-14 Method for reducing latency on LTE DL implementation

Publications (3)

Publication Number Publication Date
JP2012227912A JP2012227912A (ja) 2012-11-15
JP2012227912A5 JP2012227912A5 (enExample) 2015-03-05
JP5919029B2 true JP5919029B2 (ja) 2016-05-18

Family

ID=45926452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012036271A Active JP5919029B2 (ja) 2011-04-14 2012-02-22 Ｌｔｅダウンリンク実装におけるレイテンシを低減する方法

Country Status (6)

Country Link
US (1) US8724722B2 (enExample)
EP (1) EP2512084A1 (enExample)
JP (1) JP5919029B2 (enExample)
KR (1) KR20120117637A (enExample)
CN (1) CN102739600B (enExample)
TW (1) TW201242308A (enExample)

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US9312994B2 (en) 2013-09-30 2016-04-12 Telefonaktiebolaget Lm Ericsson (Publ) Downlink physical layer processing in wireless networks with symbol rate mapping
JP6408001B2 (ja) * 2014-01-28 2018-10-17 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ データ送信方法および装置、データ送受信方法、ならびに通信システム
EP3143713B1 (en) * 2014-06-13 2018-08-08 Huawei Technologies Co. Ltd. Transmitter and receiver devices performing repetition before interleaving and puncturing after interleaving and methods thereof
KR102316775B1 (ko) 2015-04-02 2021-10-26 삼성전자 주식회사 무선 셀룰라 통신 시스템에서 전송시간구간 감소를 위한 송수신 방법 및 장치
EP3944552A1 (en) 2015-04-02 2022-01-26 Samsung Electronics Co., Ltd. Transmission and reception method and apparatus for reducing transmission time interval in wireless cellular communication system
US10595166B2 (en) 2016-07-18 2020-03-17 Sharp Kabushiki Kaisha Systems and methods for processing time reduction signaling
US10581559B2 (en) 2016-07-18 2020-03-03 Sharp Kabushiki Kaisha User Equipment, base stations and methods
US10440706B2 (en) 2016-08-08 2019-10-08 Sharp Kabushiki Kaisha Systems and methods for PUCCH resource allocation and HARQ-ACK reporting with processing time reduction
EP3497844B1 (en) * 2016-08-11 2021-09-29 Panasonic Intellectual Property Corporation of America Base station, terminal, and communication method
US11881915B2 (en) * 2019-04-05 2024-01-23 Lg Electronics Inc. Method for transmitting and receiving signal in wireless communication system, and apparatus therefor
CN112039812B (zh) * 2020-07-17 2023-03-28 哲库科技(北京)有限公司 数据处理方法、装置、设备及存储介质
EP4373022A1 (en) * 2022-11-17 2024-05-22 u-blox AG Method for multiplexing data sources to uplink time and frequency resources by a hardware module

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US7379417B2 (en) * 2003-02-19 2008-05-27 Wipro Limited Orthogonal frequency division multiplexing transmitter system and VLSI implementation thereof
JP2008527927A (ja) * 2005-01-11 2008-07-24 クゥアルコム・インコーポレイテッド 階層化された変調システムにおいてデータを復号する方法および装置
KR100647987B1 (ko) * 2005-01-27 2006-11-23 삼성전자주식회사 직교주파수분할다중시스템에서 인터리빙 방법
RU2008104138A (ru) 2005-08-05 2009-08-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Радиопередающее устройство, радиоприемное устройство и способ беспроводной связи
US7813262B1 (en) 2006-12-05 2010-10-12 Xilinx, Inc. Multiple input multiple-output orthogonal frequency-division multiplexing modulator
CN101399585B (zh) 2007-09-27 2012-05-23 北京信威通信技术股份有限公司 Ofdma智能天线系统的用户信号产生及干扰抑制的方法与装置
CN101431357B (zh) 2007-11-08 2012-11-07 电信科学技术研究院 一种数据传输的方法和装置
WO2009116751A2 (en) * 2008-03-16 2009-09-24 Lg Electronics Inc. Method and apparatus for acquiring resource allocation of control channel
US7729237B2 (en) 2008-03-17 2010-06-01 Lg Electronics Inc. Method of transmitting reference signal and transmitter using the same
JP5571067B2 (ja) 2008-04-28 2014-08-13 アップル インコーポレイテッド 上りリンクのｖ−ｍｉｍｏ候補リストを生成する方法及び装置
KR101591086B1 (ko) 2008-05-21 2016-02-03 엘지전자 주식회사 다중 안테나 시스템에서 ｈａｒｑ 수행 방법
CN101677311A (zh) * 2008-09-19 2010-03-24 夏普株式会社 单播业务和多媒体广播多播业务复用系统和方法
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Also Published As

Publication number Publication date
JP2012227912A (ja) 2012-11-15
TW201242308A (en) 2012-10-16
KR20120117637A (ko) 2012-10-24
EP2512084A1 (en) 2012-10-17
CN102739600A (zh) 2012-10-17
US20120263246A1 (en) 2012-10-18
US8724722B2 (en) 2014-05-13
CN102739600B (zh) 2016-04-13

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